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The light is elevated 35 feet above the sea and should be visible in clear weather at a distance of 11 nautical miles.
In foggy or thick weather an automatic acetylene fog gun will be operated, giving one report every 30 seconds.
If the Light-vessel be driven from her proper station, the usual light will not be shown, but a fixed red light will be exhibited at each end of the vessel during the night and a red flag hoisted during the day.
By Order of the Inspector General of Customs,
THE MARITIME CUSTOMS,
COAST INSPECTOR'S OFFICE,
SHANGHAI, 28th May, 1917.
W. FERD. TYLER,
Coast Inspector.
No. 637.
CHINA SEA.
YANGTZE RIVER-SHANGHAI DISTRICT.
Approach to the Whangpoo-Quarantine Anchorage.
Alteration in Colour of the Quarantine Upper Buoy.
NOTICE is hereby given that the colour of the Quarantine Upper Buoy, Quarantine Anchorage, approach to the Whangpoo, has been changed from red and black vertical stripes to red.
Other characteristics of this Buoy and its position remain unchanged.
This alteration has been made owing to the disappearance of the shoal to the north- ward of the Quarantine Anchorage.
By Order of the Inspector General of Customs,
THE MARITIME CUSTOMS,
COAST INSPECTOR'S OFFICE,
W. FERD. TYLER,
Coast Inspector.
SHANGHAI, 1st June, 1917.
SPECIAL NOTICE TO MARINERS, No. 481.
CHINA SEA.
SHANGHAI DISTRICT.
Yangtze River South Channel Entrance.
Kiutoan Light-vessel Replaced in Position.
REFERRING to Special Notice to Mariners No. 477, notice is hereby given that the temporary Light-vessel Tienching has been replaced by the Light-vessel Kiutoan.
W. FERD. TYLER, Coast Inspector.
COAST INSPECTor's Office,
SHANGHAI, 30th May, 1917.